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Finding the Fourth Proportional to 317,113.55, 437,613.53 and 173,873.25

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Solution

The fourth proportional to 317,113.55, 437,613.53 and 173,873.25 is: 239,943.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,113.55 : 437,613.53 = 173,873.25 : x
  2. Step 2: Convert to fraction form
    317,113.55/437,613.53 = 173,873.25/x
  3. Step 3: Cross multiply
    317,113.55x = 437,613.53 × 173,873.25
  4. Step 4: Simplify right side
    317,113.55x = 76,089,285,835.71
  5. Step 5: Solve for x
    x = 76,089,285,835.71/317,113.55
  6. Step 6: Final answer
    x = 239,943.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.